New Pennyweight, Troy Ounce Digital Lab Scale Metal Detecting Tool Allows you to choose from 4 different modes: Troy Ounce (ozt), Pennyweight (dwt), Gram (g), Ounce (oz) Capacity & Accurcary: 19.2 x 0.005 ozt; 386 x 0.1 dwt; 600 x 0.1 g; 21.2 x 0.005 oz Includes Batteries, Platform Protector/Lid, Instructions Manual, GIFT BOX, and Lifetime Warranty! Perfect for weighing antique jewelry, ancient coins, bars, bullion & other treasures Touch screen & bright blue backlight makes it very easy to use and read